2 problems

Let $G=\mathbb{Z}_2\times\mathbb{Z}_2<\mathrm{SO}(3)<\mathrm{SU}(4)$ and set $q_{(2,2)}:=q_{00}q_{10}q_{01}q_{11}$. Define $\mathcal{F}_{2,2}$ and…

The orbifold vertex conjecture. There exist orientations such that